The truck should be lined up directly behind the trailer in a centered position before backing up to ensure safety and success in connecting with the trailer.
When getting ready to back under a semi-trailer, alignment is crucial. The truck should be lined up directly behind the trailer before backing up. The optimal positioning involves ensuring your truck is centered with the trailer and at an appropriate distance to safely execute the backing maneuver. In doing so, the likelihood of a successful and safe back under the trailer is maximized.